20+ Years Research & Manufacturing Experience
About Us
China Famous iconic enterprise
leading research and manufacturer of battery
HangZhou Longwin Power Limited owns three major production bases.The total area covers 270,000 square meters.It has an experienced and well-educated team and our products posses more than 100 patents on electronic technology,battery technology and chemical application engineering.
We offer OEM,ODM and advanced customization services to meet various needs from different clients.Our products have passed CE,ROHS,SONCAP,UL,ISO and other certifications and are exported to Asia,Africa,Europe,the Middle East,the Americas and other regions.We aim to provide the green,energy-saving and safe electrical energy safety emergency products for global users.Professional sales managers and technical engineers provide you thoughful services:short lead time and prompt delivery;3year warranty with worry-free after-sales service.
No doubt that HangZhou Longwin Power Limited is your best are reliable business partner!
Excellent service! This company is very professional and very patience. Thanks for you guys! satisfied with the system.
Meet Our Team
Technical Engineer
with over 20 years of experience
Thomas
Rain
Joyce
Frequently Asked Questions
Here are some answers to the questions we receive the most about our services.
If we missed anything, please do not hesitate to contact us. We’ll be happy to help
1.Are you a manufacturer or a trading company?
We are a factory more than 20years experience to provide good quality with competitive price
2.How about the delivery time?
Ready sample;7 working days for bulk order after your deposit is confirmed.
3.Can you print my logo on the batteries?
Yes, OEM is accepted.
4.How many years can be use for battery?
Design life 8-10 years under proper use
5.What's the DOD of your battery?
Depend on how deep you use, when power discharge to 20%, 1200 cycle times; when to 50% –800 cycle times; when to 80% —500 cycle times
6. Do you have any certifications for your product?
Yes, CE, UL,RoHS,ISO,MSDS, CNS
7.If battery damage,how will you solve the problem?
If there is problem happened , we will gather all the picture and according to your using condition to find out what cause this.
8.What are the price terms can you offer for us?
We accept EXW,FOB,CIF and so on.
9.How do you control your product quality?
All products will go through strict tests before delivery.
10.How about your technical support and service?
We provide extensive range of services for our customers all over the world, from customized design and installation
